Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Development of an aerodynamic design program for a small wind turbine blade

소형풍력발전기용 블레이드 공력설계 프로그램 개발

  • Yoon, Jin-Yong (Dept. of Mechanical and Mechatronics Eng., Graduate School, Kangwon National University) ;
  • Paek, In-Su (Dept. of Mechanical and Mechatronics Eng., Kangwon National University) ;
  • Yoo, Neung-Soo (Dept. of Mechanical and Mechatronics Eng., Kangwon National University)
  • 윤진용 (강원대학교 대학원 기계메카트로닉스 공학과) ;
  • 백인수 (강원대학교 기계메카트로닉스공학과) ;
  • 유능수 (강원대학교 기계메카트로닉스공학과)
  • Received : 2012.10.10
  • Accepted : 2013.02.22
  • Published : 2013.02.28
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Abstract

An aerodynamic design tool was developed for small wind turbine blades based on the blade element momentum theory. The lift and drag coefficients of blades that are needed for aerodynamic blade design were obtained in real time from the Xfoil program developed at University of Illinois. While running, the developed tool automatically accesses the Xfoil program, runs it with proper aerodynamic and airfoil properties, and finally obtains lift and drag coefficients. The obtained aerodynamic coefficients are then used to find out optimal twist angles and chord lengths of the airfoils. The developed tool was used to design a wind turbine blade using low Reynolds number airfoils, SG6040 and SG6043 to have its maximum power coefficient at a specified tip speed ratio. The performance of the blade was verified by a commercial code well known for its prediction accuracies.

Keywords

References

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  2. 사이드 펄링과 최적 토크스케줄을 고려한 소형 풍력터빈 해석 프로그램 개발 vol.38, pp.2, 2018, https://doi.org/10.7836/kses.2018.38.2.015